Immobilization in External Rotation After First Time Anterior Shoulder Dislocation

Inclusion Criteria: * 14 to 30 years of age * Willing to participate in follow-up for at least two years * Acute, first-time, traumatic, isolated anterior dislocation of the shoulder Exclusion Criteria: * Previous instability of the affected shoulder * A history of significant ligamentous laxity or demonstrated multi-directional instability of the opposite shoulder * Inability or unwillingness to comply with sling immobilization, rehabilitative protocol, or required follow-up assessments * Incompetent or unwilling to consent * A medical condition making the patient unable to wear a sling * Significant associated fracture (Exception Hill Sachs of \>20% or bony Bankart lesions\>10%) * Neurovascular compromise of the affected limb * Concomitant ipsilateral upper extremity injuries which may affect the patient's ability to participate in, or benefit from, a rehabilitative program.